mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
44 lines
1.7 KiB
Swift
44 lines
1.7 KiB
Swift
// RUN: %target-typecheck-verify-swift -target %target-cpu-apple-macosx10.50
|
|
|
|
// REQUIRES: OS=macosx
|
|
|
|
// Concrete uses of @isolated(any) are fine.
|
|
func expectIsolatedAny(fn: @isolated(any) () -> ()) {}
|
|
|
|
func testConcrete1(fn: @isolated(any) () -> ()) {
|
|
expectIsolatedAny(fn: fn)
|
|
}
|
|
func testConcrete2(fn: @isolated(any) () -> ()) {
|
|
expectIsolatedAny {}
|
|
}
|
|
func testConcrete3(fn: @MainActor () -> ()) {
|
|
expectIsolatedAny {}
|
|
}
|
|
|
|
func testErasure(fn: @escaping @isolated(any) () -> ()) -> Any {
|
|
return fn // expected-error {{runtime support for @isolated(any) function types is only available in}}
|
|
// expected-note @-2 {{add @available attribute to enclosing global function}}
|
|
// expected-note @-2 {{add 'if #available' version check}}
|
|
}
|
|
|
|
func testCovariantErasure(fn: @escaping () -> @isolated(any) () -> Void) -> (() -> Any) {
|
|
return fn // expected-error {{runtime support for @isolated(any) function types is only available in}}
|
|
// expected-note @-2 {{add @available attribute to enclosing global function}}
|
|
// expected-note @-2 {{add 'if #available' version check}}
|
|
}
|
|
|
|
func testContravariantErasure(fn: @escaping (Any) -> Void) -> ((@escaping @isolated(any) () -> Void) -> Void) {
|
|
return fn // expected-error {{runtime support for @isolated(any) function types is only available in}}
|
|
// expected-note @-2 {{add @available attribute to enclosing global function}}
|
|
// expected-note @-2 {{add 'if #available' version check}}
|
|
}
|
|
|
|
protocol P {
|
|
associatedtype A
|
|
}
|
|
|
|
struct S: P { // expected-note {{add @available attribute to enclosing struct}}
|
|
typealias A = @isolated(any) () -> () // expected-error {{runtime support for @isolated(any) function types is only available in}}
|
|
// expected-note @-1 {{add @available attribute to enclosing type alias}}
|
|
}
|